The seminal text Experimental and Quasi-Experimental Designs for Research was written by whom?
A. Campbell and Stanley
B. Petty and Cacioppo
C. Festinger and Carlsmith
D. Wyer and Srull
Answer: A
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Seligman placed dogs in a cage with metal bars on the floor. The dogs were randomly given electric shocks and could do nothing to prevent them or stop them. Later, the same dogs were placed in a cage where they could escape the shocks by jumping over a low hurdle. When the shocks were given, the dogs did not even try to escape. They just sat and cowered. This is an example of __________.
A. learned helplessness B. avoidance learning C. aversive conditioning D. vicarious learning
The critical region(s) associated with our ______ will change with the degrees of freedom.
A. standard error B. z-score C. z-test D. ? level
Which of the following is NOT a major DSM-IV-TR category?
a. impulse control disorders b. neurotic disorders c. pervasive developmental disorders d. tic disorders
Most individuals with Down syndrome have
a. one less chromosome on the 21st pair. c. one less chromosome on the 23rd pair. b. one extra chromosome on the 21st pair. d. one extra chromosome on the 23rd pair.